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International Comfort Products GPFM48L120F Defrost Sensor Board
The defrost sensor board will begin an important defrosting cycle which helps to keep the outdoor unit free from frost build-up. The board is influenced by a sensor located somewhere by the condenser to decide when to begin.
Major clues your defrost board is in need of replacing
- Defrost session does not begin even when there is a large quantity of frost on the external unit
- Air conditioning may end up not running for the fact of the safety features installed
- The main board could display an alphanumeric error code when encountering a problem
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